How did TFT LCD screen come into being?

Last Update Time: 2018-11-17 11:16:38

TFT active matrix liquid crystal display (AMLCD) can realize active video image display. However, because of its low electronic mobility, the active matrix TFT made on amorphous silicon film has to make the device area a little larger, so it occupies a large proportion of the small pixel area, making the opening rate of the pixel (effective image). Prime area / total pixel area) is only about 70%.